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489172 = 22294217
BaseRepresentation
bin1110111011011010100
3220212000111
41313123110
5111123142
614252404
74105105
oct1673324
9825014
10489172
11304582
121b7104
13141868
14ca3ac
1599e17
hex776d4

489172 has 12 divisors (see below), whose sum is σ = 885780. Its totient is φ = 236096.

The previous prime is 489161. The next prime is 489179. The reversal of 489172 is 271984.

489172 is nontrivially palindromic in base 14.

489172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 355216 + 133956 = 596^2 + 366^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1993 + ... + 2224.

It is an arithmetic number, because the mean of its divisors is an integer number (73815).

2489172 is an apocalyptic number.

It is an amenable number.

489172 is a deficient number, since it is larger than the sum of its proper divisors (396608).

489172 is a wasteful number, since it uses less digits than its factorization.

489172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250 (or 4248 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 489172 is about 699.4083213689. The cubic root of 489172 is about 78.7929202500.

The spelling of 489172 in words is "four hundred eighty-nine thousand, one hundred seventy-two".

Divisors: 1 2 4 29 58 116 4217 8434 16868 122293 244586 489172